* {
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'icomoon';
    src: url('icomoon/fonts/icomoon.eot?rzg037');
    src: url('icomoon/fonts/icomoon.eot?rzg037#iefix') format('embedded-opentype'),
        url('icomoon/fonts/icomoon.ttf?rzg037') format('truetype'),
        url('icomoon/fonts/icomoon.woff?rzg037') format('woff'),
        url('icomoon/fonts/icomoon.svg?rzg037#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

body {
    font-family: "微软雅黑";
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #999;
}

.w {
    width: 1310px;
    margin: 0 auto;
}

.head {
    background-image: url(images/head_bg.png);
    background-repeat: no-repeat;
    background-position: center center;
}

.head .header {
    height: 130px;
}

.head .header .logo {
    float: left;
    margin: 30px 0;
}

.head .header .search {
    float: right;
    margin: 15px 0;

}

.head .header .search ul li {
    float: left;
    font-size: 14px;
    margin: 5px 7px;
    color: #fff;
}

.head .header .search ul li a {
    text-decoration: none;
    color: #fff;
}

.wholesearch {
    float: right;
    margin-top: 15px;
    background-color: #fff;
    border-radius: 20px 20px 20px 20px;
}

.wholesearch input {
    float: left;
    height: 40px;
    width: 300px;
    margin-left: 20px;
    line-height: 35px;
    border: 0;
    outline: 0;
    color: #999;
    border: none;
}

.wholesearch .rightcir {
    float: left;
    height: 40px;
    width: 40px;
    background-color: #fff;
    border-radius: 0 50% 50% 0;
    background-image: url(images/sous.png);
    background-position: center center;
}

/* 下面是导航栏 */
.nav {
    margin-top: 0;
    height: 52px;
}

.nav .navul {
    float: left;
    margin-top: -8px;
    height: 52px;
}

.nav .navul>li {
    float: left;
    height: 52px;
}

.nav .navul>li a {
    float: left;
    text-decoration: none;
    color: #313131;
    height: 100%;
    padding: 0 23px;
    line-height: 52px;
}

.nav .navul>li a:hover {
    background-color: #313c9a;
    color: #fff;
}

.nav .navul li:hover .open{
    display: block;
}

.nav .open {
    position: relative;
    top: -1px;
    display: none;
}

.nav .open li {
    z-index: 100;
    position: relative;
    
    /* white-space: nowrap;
    text-align: center; */
}

.nav .open li a {
    display: block;
    height: 46px;
    line-height: 46px;
    padding: 0 23px;
    font-size: 16px;
    color: #000;
    background-color: #f1f1f1;
}



/* 下面是大图 */
.bigimg {
    position: relative;
    width: 100%;
    height: 100%;
}

.bigimg .arrow_l,
.bigimg .arrow_r {
    position: absolute;
    top: 50%;
    margin-top: -25px;
    text-align: center;
    width: 30px;
    height: 50px;
    background-color: rgba(43, 51, 127, 0.7);
    z-index: 2;
}

.bigimg .arrow_l {
    left: 0;
    border-radius: 0 20px 20px 0;
}

.bigimg .arrow_r {
    right: 0;
    border-radius: 20px 0 0 20px;
}

.bigimg img {
    width: 100%;
    height: 100%;
    border: 0;
    vertical-align: top;
    margin-top: -2px;
    z-index: 1;
}



.bigimg>a {
    font-size: 30px;
    line-height: 45px;
    color: #fff;
}

.bigimg ul li {
    float: left;
}

.mes {
    height: 500px;
    padding: 50px 0px 10px 0px;
}

.pics2 {
    float: left;
    margin-right: 10px;
    width: 734px;
    height: 487px;
    overflow: hidden;
}

.pics2 .pre,
.pics2 .next {
    display: none;
    position: absolute;
    top: 50%;
    margin-top: -25px;
    text-align: center;
    width: 30px;
    height: 50px;
    background-color: rgba(43, 51, 127, 0.7);
    text-align: center;
    line-height: 45px;
    font-size: 30px;
    color: #fff;
    z-index: 2;
}

.pics2 .pre {
    left: 0;
}

.pics2 .next {
    right: 0;
}

.pics2 ul {
    width: 400%;
    position: absolute;
    top: 0;
    left: 0;
}

.pics2 ul li img {
    float: left;
    height: 487px;
    width: 734px;
    vertical-align: bottom;
}

.pics2 .point {
    position: absolute;
    width: 78px;
    bottom: 16px;
    right: 14px;
}

.pics2 .word {
    display: inline-block;
    position: absolute;
    left: 0;
    bottom: 0;
    height: 70px;
    line-height: 70px;
    padding: 0 20px;
    font-size: 20px;
    color: #fff;
}

.pics2 .point li {
    float: left;
    height: 10px;
    width: 10px;
    line-height: 10px;
    font-size: 12px;
    border-radius: 50%;
    background-color: #fff;
    opacity: 0.5;
    border-radius: 50%;
    margin: 0 8px;
}

.pics2 .point .current {
    background-color: #fff;
    opacity: 1;
}

.mes .title .new-title {
    padding-bottom: 60px;
}

.mes .title {
    float: right;
    height: 533px;
    width: 550px;
}

.mes .title h3 {
    float: left;
    margin-left: 10px;
    line-height: 40px;
    height: 40px;
    color: #234391;
    font-weight: 400;
    font-size: 26px;
}

.mes .title h3 .new {
    margin-top: 0;
}

.mes .title h3 .ico {
    float: left;
    font-size: 30px;
    margin-right: 10px;
    font-family: 'icomoon';
    cursor: default;
}

.mes .title .more {
    float: right;
    margin: 0 27px;
    width: 64px;
    height: 40px;
    line-height: 40px;
}

.mes .title .more a {
    color: #f78327;
}

.mes .title ul li {
    float: left;
    width: 533px;
    height: 70px;
    border-bottom: 1px solid #e8e8e8;
}

.mes .title ul li:hover {
    border-left: 4px solid #f08200;
}

.mes .title ul li>div {
    display: inline-block;
    line-height: 35px;
}

.mes .title ul li p {
    margin-left: 15px;
    display: inline-block;
    width: 396px
}

.mes .title ul li p a {
    font-family: 'microsoft yahei';
    text-decoration: none;
    color: #313131;
    font-size: 18px;
}

.mes .title ul li:hover p a {
    font-weight: bold;
    color: #234391;
}

.mes .title ul li .time {
    float: right;
    margin: 0 15px;
    line-height: 67px;
    width: 77px;
    height: 67px;
    font-size: 14px;
    color: #999;
}

.mes .title ul li:hover .time {
    color: #f08200;
}

/* 接下来是学生和教师专区 */
.stu {
    float: left;
    width: 48%;
}

.tea {
    float: right;
    width: 48%;
}

.stutitle .ico,
.teatitle .ico {
    font-family: 'icomoon';
    cursor: default;
}

.teatitle,
.stutitle {
    font-size: 26px;
    color: #234391;
    font-weight: 400;
    float: left;
    line-height: 40px;
}

.tea .more,
.stu .more {
    float: right;
    line-height: 40px;
}

.tea .more a,
.stu .more a {
    color: #f08200;
}


.know {
    margin-top: 5px;
}

.wholetitle {
    height: 40px;
}

.messageout .know ul li {
    float: left;
    width: 100%;
    margin: 5px 0;
    height: 46px;
}

.know ul li div {
    float: left;
    height: 46px;
    width: 87%;
    background-color: #f1f1f1;
    overflow: hidden;
}

.know ul li:hover div {
    background-color: #234391;
}

.know ul li div a {
    margin-left: 20px;
    font-size: 18px;
    line-height: 46px;
    color: #313131;
    font-family: 'microsoft yahei';
    font-size: 16px;
    font-weight: 400;
}

.know ul li:hover div a {
    color: #fff;
}

.know ul li span {
    float: left;
    line-height: 46px;
    width: 12%;
    border: 1px solid #ddd;
    text-align: center;
}

.know ul li:hover span {
    color: #234391;
}


/* 定位 */
.mes div {
    position: relative;
}

.before {
    position: absolute;
    top: 50%;
}